An Osram Dulux L compact fluorescent lamp, 55W, 2G11 base, 4-pin — the highest-output lamp in the Dulux L range, for large commercial downlights and high-ceiling fittings, compatible with both electronic and conventional control gear.
Will this fit my fixture?
Replacing an identical existing 55W 2G11 Dulux L lamp is straightforward once power is off. Confirm your fitting's gear type matches before ordering, and use an electrician for new installations.
Key Features
- 2G11 4-pin base, works on electronic and conventional control gear
- Highest-output lamp in the Dulux L range
- 4000K Cool White colour temperature
Technical Specifications
| Specification |
Details |
| Wattage |
55W |
| Base |
2G11 (4-pin) |
| Luminous Flux |
4320 lm |
| Colour Temperature |
4000K Cool White |
| CRI |
≥80 |
| Rated Life |
20,000 hours |
| Dimensions |
17.5mm × 538mm |
| Control Gear |
Electronic or conventional (CCG) |
Applications
- Large commercial downlights and high-output fittings
- Warehouse and high-ceiling installations
FAQ
-
Will this fit my fixture?
If your existing lamp is a 55W 2G11 Dulux L, this is a direct swap.
-
How is this different from the 40W version?
Same base and body length as the 40W, but higher wattage and light output — both share the 538mm body, so check your fitting accepts the higher wattage.
-
Does this need a starter?
Only if run on conventional (magnetic) control gear; not needed on electronic gear.
-
Is 4000K suitable for a warehouse?
Yes, 4000K Cool White is a common, practical choice for warehouse and industrial spaces where a neutral, task-friendly light is preferred.